ELECTRONIC CIRCUITS-I EC2205 ANNA UNIVERSITY NOV/DEC 2012 IMPORTANT QUESTIONS



Anna University, Chennai Nov/Dec 2012 Examinations
Rejinpaul.com Important Questions
ELECTRONIC CIRCUITS-I EC2205
III Sem ECE
Unit I-V
1.     Derive the stability factor for voltage divider bias
2.     Describe how DC and AC load lines are drawn
3.     What is meant by bias stability what are the factors affect the bias stability
4.     Explain briefly about compensation technique
5.     Discuss the operation of Differential amplifier
6.     Analyze the small signal transistor amplifier in term of h parameter
7.      Draw the hybrid model of CE configuration obtain its gain, input impedance compare the performance of this amplifier with CC&CB configuration
8.     With small equivalent circuit of emitter follower  derive its input impedance, Av , and output impedance
9.     Draw the small signal model of FET  and  analyze source follower
10.Analyze Darlington type input impedance increasing method
11. Derive the Expression for Ai, Av, Ri, and Ro for CE amplifier using  h parameter model
12.Explain the methods to improve the CMRR    
13. Draw and explain class B push-pull power amplifier
14.Explain briefly about Total Harmonic distortion
15. Explain the power control method using SCR
16.Prove that maximum efficiency of class B power amplifier is 78.50%
17. Explian the working principle of class D amplifier what is its efficiency
18.Draw the block diagram of SMPS what are its advantage
19.Draw .the Hybrid (pie)  model of transistor and derive the various parameters
20. Describe the working principle of full wave rectifier and derive the expression  for the ripple factor ,rectifier efficiency,Vdc,Idc,Vrms,Irms?

ELECTRONIC CIRCUITS-I EC2205 ANNA UNIVERSITY NOV/DEC 2012 IMPORTANT QUESTIONS Reviewed by Rejin Paul on 6:43 AM Rating: 5

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